1. Indian Railways has installed Anti-Collision Devices, ACDs, over 1736kms of NE Frontier Railway and 760kms of Konkan Railway. This ACD System uses GPS Positioning and Radio Frequency Transmission between Loco ACDs, Station ACDs and Level Crossing Gate ACDs. This Design requires Gate ACDs at all ULCs, Loco ACDs on all Locomotives and Station ACDs at all Railway Stations.

2. A Standard Automatic Lane Barrier, 4m~6m long as per Road width, shall be installed on both sides of ULC. This Lane Barrier will be Actuated by the Gate ACD.Two Red Flasher Lights, 21W each, are installed on the Boom and a Loudspeaker, 40W, is installed over the Mounting Column of each Lane Barrier. Both sides of ULC are Fenced for 15m from each end of Lane Barrier. The Approach Road to each Lane Barrier is provided a Rumbler, 5m long.The System is powered by 1kW Solar Power System. 2nos 150Ahx24V Batteries power the System when Solar Power is unavailable.

4. The Control Unit incorporates Diagnostics which constantly verifies Functioning of every element of the Working System & Solar Power System. Any Failure is immediately conveyed by Gate ACD to Station ACD for Corrective Action.

5. Cost of System is Rs.0.3 million per ULC. Total Cost Rs.2.8 billion for 9340 ULCs. This Cost does not cover ACD Network of Indian Railways.